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Basic Electricity Test Questions And Answers With Verified Solutions 100% Correct !!!
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Basic Electricity Test Questions And Answers With Verified Solutions 100% Correct !!!
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Basic Electricity Test Questions AndAnswers With Verified Solutions 100%
Correct !!!
Which of the following is the basis for electricity? - ANSWER✔✔The movement
of outer orbit electrons from one orbit to another
Static electricity is most often produced by: - ANSWER✔✔Friction
A good insulating material is one in which: - ANSWER✔✔Electrons are not easily
moved from one atom to another
The prefix 'kilo' means: - ANSWER✔✔one thousand
A negative electrical charge occurs when there is an accumulation of: -
ANSWER✔✔Electrons at some point
The nucleus of an atom contains - ANSWER✔✔protons and neutrons
The particles which make up an atom are the - ANSWER✔✔Proton, neutron,
electron
What is an ion? - ANSWER✔✔An atom which has an excess or deficiency of
electrons
, If you suspend a bar magnet from a string and its North Pole points to the earth's
North Pole. This means: - ANSWER✔✔The earth's north pole has a south
magnetic polarity
The term used to express opposition to magnetic lines of force is: -
ANSWER✔✔Reluctance
Which of the following is not true? - ANSWER✔✔Soft iron gets its name because
it is soft like rubber
Residual magnetism refers to: - ANSWER✔✔The magnetic field remaining in a
material after the external magnetizing force is removed
Current flow in a straight conductor produces: - ANSWER✔✔Magnetic lines of
force
The direction of the magnetic lines of flux outside a magnet is: -
ANSWER✔✔From North to South
Around a magnet, the external lines of force: - ANSWER✔✔Leave the magnet
from the North pole and enter the South pole
Retentively is: - ANSWER✔✔The ability of a material to retain its magnetism
An advantage of electromagnets over permanent magnets is: - ANSWER✔✔The
polarity and strength of electromagnets can be controlled
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